Home / 9,972.72-14,959.08-4,125.60

Finding the Fourth Proportional to 9,972.72, 14,959.08 and 4,125.60

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Solution

The fourth proportional to 9,972.72, 14,959.08 and 4,125.60 is: 6,188.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,972.72 : 14,959.08 = 4,125.60 : x
  2. Step 2: Convert to fraction form
    9,972.72/14,959.08 = 4,125.60/x
  3. Step 3: Cross multiply
    9,972.72x = 14,959.08 × 4,125.60
  4. Step 4: Simplify right side
    9,972.72x = 61,715,180.45
  5. Step 5: Solve for x
    x = 61,715,180.45/9,972.72
  6. Step 6: Final answer
    x = 6,188.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.